Return on sales
| Indicator | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 |
| Return on sales | -1,66 % | -5,910% | 0,44% | 4,4 % | 9,76 % | 8,97 % | 5,4 % |
Curent ratio (current ratio)
| Indicator | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 |
| Curent ratio (current ratio) | 6,92 | 4,51 | 4,40 | 9,1 | 9,62 | 2,91 | 3,44 |
General Debts Rate
| Indicator | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 |
| General Debts Rate | 10,32% | 14,42% | 15,60% | 9,2 % | 11,36 % | 33,63 % | 28,4 % |
Return on assets (ROA)
| Indicator | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 |
| ROA | -1,610% | -5,76% | 0,42% | 5,8 % | 9,67 % | 32 % | 12 % |